A number of factors—from water pollution to disease—can irritate corals, causing them to expel the colored algae known as zooxanthellae ... region might have died, leaving a marine graveyard ...

This relationship between the zooxanthellae and the coral polyps is an excellent example of a mutually beneficial relationship, also known as symbiosis. Although they occupy less than 0.1% of the ...

Limnology and Oceanography, Vol. 56, No. 4 (2011), pp. 1285-1296 (12 pages) We determined the source of fatty acids in scleractinian corals by separately measuring and comparing the δ13C values of ...

Most hard corals grow thanks to a symbiotic relationship between the coral polyp and zooxanthellae - essentially algae - that through photosynthesis produce glucose, energy, to enable the hard corals ...

Healthy coral is coated with an algae-like substance called zooxanthellae ... toxic and leave the coral – turning it white and leaving it vulnerable to starvation, disease and death.

Corals then expel their zooxanthellae, symbiotic invertebrates that give corals both color and food through photosynthesis. Oxybenzones, avobenzones and similar chemicals protect us from UV rays ...